package com.littora.alarm.email;

import javax.mail.*;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import java.util.Properties;

public class EmailSender {
    private String token;

    public EmailSender(String token) {
        this.token = token;
    }

    public boolean sendQQEmail(String from, String to, String title, String content) {
        // 指定发送邮件的主机为 smtp.qq.com
        String host = "smtp.qq.com";  //QQ 邮件服务器
        // 获取系统属性
        Properties properties = System.getProperties();
        // 设置邮件服务器
        properties.setProperty("mail.smtp.host", host);
        properties.put("mail.smtp.auth", "true");
        // 获取默认session对象
        Session session = Session.getDefaultInstance(properties,new Authenticator(){
            public PasswordAuthentication getPasswordAuthentication() {
                return new PasswordAuthentication(from, token); //发件人邮件用户名、密码
            }
        });

        try{
            // 创建默认的 MimeMessage 对象
            MimeMessage message = new MimeMessage(session);
            // Set From: 头部头字段
            message.setFrom(new InternetAddress(from));
            // Set To: 头部头字段
            message.addRecipient(Message.RecipientType.TO,
                    new InternetAddress(to));
            // Set Subject: 头部头字段
            message.setSubject(title);
            // 设置消息体
            message.setText(content);
            // 发送消息
            Transport.send(message);
        }catch (MessagingException mex) {
            mex.printStackTrace();
            return false;
        }
        return true;
    }
}
